Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Y63-315330-108 found under Spacer Servo Drive by Gyrodyne Co Of America Inc. The National Stock Number assigned to this part is 5365000338249, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like Y63-315330-108.